Seiko Cal. 7142 - 337

This Solar model from 1966 features a 39mm Hardlex-Coated Steel case. Powered by the 7142 caliber with 35j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-099479ee95d6]

Also known as: Sumo, UFO

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1966

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