Seiko Cal. 3845 - 948

This Hand-Winding model from 1975 features a 46mm Stainless Steel case. Powered by the 3845 caliber with 33j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-7658044ec8f7]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1975

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