Seiko Cal. 0744 - 671

This Automatic model from 1979 features a 40mm Two-Tone case. It features a White dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-540f6a17a18f]

Also known as: Sumo, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1979

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