Seiko Cal. 7135 - 312

The Seiko 7135-312 represents an important milestone in Seiko's 1979 lineup. Powered by the 7135 caliber with 24j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-ade0b0e08214]

Also known as: Monster

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1979

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