Seiko Cal. 4530 - 736

This Spring Drive model from 1977 features a 46mm Stainless Steel case. With its 20mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-71f0dbfafd47]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1977

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