Seiko Cal. 7135 - 755

The Seiko 7135-755 represents an important milestone in Seiko's 1978 lineup. Powered by the 7135 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-76f14c5f7993]

Also known as: Sumo, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1978

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