Seiko Cal. 4431 - 958

This Hand-Winding model from 1986 features a 36mm Stainless Steel case. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7fc45bb7ed07]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

8.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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