Seiko Cal. 7135 - 509

The Seiko 7135-509 represents an important milestone in Seiko's 1980 lineup. Powered by the 7135 caliber with 28j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-2023e05348fb]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1980

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