Seiko Cal. 5661 - 254

This Spring Drive model from 1981 features a 43mm Two-Tone case. With its 22mm lug width and 9.9mm profile, it sits comfortably on most wrists. [seikata-wm-a7b8160e321e]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

31j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

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