Seiko Cal. 3874 - 331

This Hand-Winding model from 1966 features a 39mm Two-Tone case. With its 21mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-8a99f8ddd636]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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