Seiko Cal. 7188 - 641

This Hand-Winding model from 1982 features a 42mm Two-Tone case. Powered by the 7188 caliber with 34j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-f26875b90dd2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

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