Seiko Cal. 6645 - 309

This Spring Drive model from 1989 features a 40mm Titanium case. Powered by the 6645 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-e34a59e6eb6b]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Champagne

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1989

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