Seiko Cal. 6630 - 264

This Quartz model from 1977 features a 36mm Hardlex-Coated Steel case. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-f8c271d2c8d0]

Also known as: Sumo, Goldfeather

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1977

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