Seiko Cal. 4413 - 903

This Automatic model from 1975 features a 45mm PVD Black case. It features a Silver dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-80a36758f80f]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1975

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