Seiko Cal. 7135 - 738

This Solar model from 1979 features a 37mm Two-Tone case. Powered by the 7135 caliber with 21j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-3ea0a1a4703c]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1979

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