Seiko Cal. 5690 - 539

This Spring Drive model from 1987 features a 37mm Gold-Plated case. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-b1b6f0fccaa4]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1987

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