Seiko Cal. 6637 - 988

This Automatic model from 1983 features a 34mm Gold-Plated case. It features a Burgundy dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3e15a5770f01]

Also known as: Bullhead, Silverwave

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1983

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