Seiko Cal. 7137 - 283

The 7137-283 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7137 caliber with 18j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3bafe82dc1b0]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1975

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