Seiko Cal. 5617 - 604

This Automatic model from 1965 features a 41mm PVD Black case. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-7e5ab954870e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1965

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