Seiko Cal. 7135 - 437

The Seiko 7135-437 represents an important milestone in Seiko's 1983 lineup. Powered by the 7135 caliber with 22j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-363f15f13838]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1983

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