Seiko Cal. 0742 - 331

The 0742-331 is a sought-after Solar piece from Seiko's golden era. Powered by the 0742 caliber with 34j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-fa129a0387b6]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1972

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