Seiko Cal. 3851 - 860

This Automatic model from 1971 features a 46mm Two-Tone case. Powered by the 3851 caliber with 36j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-1fbafa904948]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1971

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