Seiko Cal. 6635 - 818

This Automatic model from 1981 features a 35mm Stainless Steel case. It features a Silver dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-4c30465e20fb]

Also known as: Bullhead, Crown

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1981

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