Seiko Cal. 4539 - 598

This Hand-Winding model from 1973 features a 38mm Two-Tone case. With its 22mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-d229e2f53c8f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Black

Jewels

29j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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