Seiko Cal. 6636 - 935

This Spring Drive model from 1988 features a 40mm Two-Tone case. It features a Black dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-66c0ff88120e]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1988

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