Seiko Cal. 3813 - 983

This Hand-Winding model from 1996 features a 37mm Stainless Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-925c88c52d83]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1996

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