Seiko Cal. 0771 - 682

This Spring Drive model from 1986 features a 40mm Gold-Plated case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-05b09fe05194]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1986

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