Seiko Cal. 5661 - 540

This Hand-Winding model from 1980 features a 43mm Gold-Plated case. With its 21mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-e4d157769230]

Also known as: Sea Horse, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1980

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