Seiko Cal. 3847 - 275

This Spring Drive model from 1970 features a 37mm Two-Tone case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-f34e1e417940]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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