Seiko Cal. 5664 - 701

This Solar model from 1977 features a 37mm PVD Black case. Powered by the 5664 caliber with 36j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-a85c77f005f9]

Also known as: Monster, Golden Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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