Seiko Cal. 3890 - 374

This Spring Drive model from 1978 features a 41mm Two-Tone case. It features a White dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-b4bc24edce9c]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1978

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