Seiko Cal. 6645 - 985

This Spring Drive model from 1976 features a 46mm Hardlex-Coated Steel case. Powered by the 6645 caliber with 36j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-e079f0dac8e7]

Also known as: Goldfeather, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1976

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