Seiko Cal. 5648 - 904

The 5648-904 is a sought-after Solar piece from Seiko's golden era. Powered by the 5648 caliber with 32j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-fb3b3041ae7f]

Also known as: Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1988

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