Seiko Cal. 7139 - 446

This Spring Drive model from 1987 features a 36mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-11cb93e6646c]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1987

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