Seiko Cal. 5648 - 854

The 5648-854 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5648 caliber with 30j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-4aeba797aa22]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1971

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