Seiko Cal. 5680 - 777

This Hand-Winding model from 1975 features a 36mm Gold-Plated case. It features a Green dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-3122e367abf1]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1975

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