Seiko Cal. 7133 - 338

The 7133-338 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7133 caliber with 31j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-3d6a7ab5ab5c]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1992

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