Seiko Cal. 7137 - 445

The 7137-445 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7137 caliber with 25j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-a4e616aefa6f]

Also known as: Monster, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1994

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