Seiko Cal. 5630 - 971

This Hand-Winding model from 1973 features a 36mm PVD Black case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-8eb6a2c65361]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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