Seiko Cal. 3881 - 996

This Spring Drive model from 1974 features a 36mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-b214868436ed]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

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