Seiko Cal. 3851 - 885

This Quartz model from 1974 features a 46mm Hardlex-Coated Steel case. Powered by the 3851 caliber with 30j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-ae30ee9165a7]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1974

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