Seiko Cal. 6635 - 128

This Automatic model from 1968 features a 45mm PVD Black case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-f62856a6694e]

Also known as: Sea Horse, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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