Seiko Cal. 5661 - 336

The Seiko 5661-336 represents an important milestone in Seiko's 1976 lineup. With its 22mm lug width and 10.4mm profile, it sits comfortably on most wrists. [seikata-wm-1c5c9e97724d]

Also known as: Monster, Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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