Seiko Cal. 0731 - 940

This Automatic model from 1967 features a 46mm Two-Tone case. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-d095f090c06a]

Also known as: Samurai, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Green

Jewels

33j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1967

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