Seiko Cal. 7135 - 899

The 7135-899 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7135 caliber with 19j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-8dc3dccf99f1]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1978

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