Seiko Cal. 3840 - 660

This Spring Drive model from 1967 features a 41mm Gold-Plated case. It features a Burgundy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-0992cd8b6782]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

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