Seiko Cal. 6654 - 723

This Spring Drive model from 1965 features a 44mm Titanium case. With its 18mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-941c7ea5c9fa]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1965

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