Seiko Cal. 3865 - 713

This Spring Drive model from 1974 features a 40mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-c15a425a754c]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

20j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1974

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