Seiko Cal. 7040 - 540

This Solar model from 1979 features a 44mm Two-Tone case. Powered by the 7040 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-a31a5657b5ee]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1979

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