Seiko Cal. 7131 - 800

This Solar model from 1971 features a 39mm PVD Black case. Powered by the 7131 caliber with 21j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-b56db2f62358]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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