Seiko Cal. 5681 - 308

This Spring Drive model from 1977 features a 36mm Gold-Plated case. With its 22mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-41bbabeb4c7a]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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