Seiko Cal. 3840 - 816

This Spring Drive model from 1967 features a 38mm Gold-Plated case. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-92daba3a53e2]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1967

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