Seiko Cal. 6654 - 761

This Hand-Winding model from 1968 features a 34mm PVD Black case. With its 21mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-5b6384978cfe]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1968

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