Seiko Cal. 5677 - 251

This Spring Drive model from 1971 features a 46mm PVD Black case. It features a Burgundy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-3de312af63c5]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1971

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