Seiko Cal. 3874 - 580

This Spring Drive model from 1971 features a 36mm Two-Tone case. Powered by the 3874 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-93f7ae04bf8d]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1971

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