Seiko Cal. 3813 - 905

This Automatic model from 1983 features a 44mm Two-Tone case. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-16fa925b7162]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1983

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