Best straps for the Seiko Seiko 6309 Diver
22 mm lugs, 44 mm case, reference 6309-7040 (1976–1988). Try a strap below; the drawing is to scale.
Strap
Colour: Black
Strap width22 mm
At the buckle20 mm
Lug to lug47 mm
Looks that work on the Seiko Seiko 6309 Diver
Seiko Seiko 6309 Diver specs
- Made
- 1976–1988
- Case
- 44 mm × 13 mm thick, cushion
- Lug width
- 22 mm
- Lug to lug
- 47 mm
- Case material
- stainless steel
- Movement
- Calibre 6309A, automatic
- Water resistance
- 150 m
- Nickname
- Turtle
From the maker's published figures, gathered with AI help and not yet checked against a watch in hand. Measure your lugs before you buy.
Strap size for the Seiko Seiko 6309 Diver
What size strap fits the Seiko Seiko 6309 Diver?
The Seiko Seiko 6309 Diver takes 22 mm straps: its lug width is 22 mm. A leather strap will usually taper to 20 mm at the buckle.
How big is the Seiko Seiko 6309 Diver?
The case is 44 mm across, and about 47 mm from lug tip to lug tip.
What strap looks best on the Seiko Seiko 6309 Diver?
Good options are a steel three-link bracelet, a black and grey stripe NATO strap, a taupe suede strap. Try them all on the drawing above.
Sizes come from published specs. Check yours before you buy: how to measure lug width.