Seiko Cal. 5681 - 447

This Spring Drive model from 1981 features a 36mm Gold-Plated case. With its 20mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-bef0a73b4e16]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

33j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1981

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