Seiko Cal. 5642 - 383

This Spring Drive model from 1986 features a 40mm Gold-Plated case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-39d3cfe75065]

Also known as: Tuna, Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1986

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