Seiko Cal. 7135 - 331

The 7135-331 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7135 caliber with 34j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-92450dc7cfd1]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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