Seiko Cal. 3871 - 183

This Automatic model from 1977 features a 41mm Two-Tone case. With its 19mm lug width and 9.5mm profile, it sits comfortably on most wrists. [seikata-wm-9734c276ccd1]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1977

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