Seiko Cal. 5661 - 954

This Spring Drive model from 1973 features a 44mm Two-Tone case. With its 18mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-8ba78f7e6aea]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1973

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