Seiko Cal. 7128 - 904

The 7128-904 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7128 caliber with 32j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-18f55727f1dd]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1976

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