Seiko Cal. 5648 - 810

This Spring Drive model from 1973 features a 35mm Two-Tone case. Powered by the 5648 caliber with 20j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-e89f3219db82]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1973

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