Seiko Cal. 3880 - 938

This Spring Drive model from 1973 features a 40mm Two-Tone case. It features a Cream dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-084ba0a7128c]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Cream

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1973

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