Seiko Cal. 6680 - 831

This Solar model from 1968 features a 42mm PVD Black case. Powered by the 6680 caliber with 25j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-e981634e25e5]

Also known as: Monster, Panda

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

42mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1968

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