Seiko Cal. 3860 - 422

This Spring Drive model from 1971 features a 38mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-6aa451c0d690]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

9.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1971

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