Seiko Cal. 4415 - 739

This Quartz model from 1976 features a 35mm Stainless Steel case. It features a Black dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-1e98e1b5527c]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1976

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