Seiko Cal. 5630 - 180

This Hand-Winding model from 1967 features a 35mm Gold-Plated case. With its 19mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-378b36b339ae]

Also known as: Sumo, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1967

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