Seiko Cal. 0739 - 961

This Automatic model from 1978 features a 45mm Two-Tone case. With its 19mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-0bd96bfb9651]

Also known as: Sumo, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1978

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