Seiko Cal. 5648 - 914

The 5648-914 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5648 caliber with 26j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-b1476fa61c04]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

26j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1980

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