Seiko Cal. 6648 - 750

This Quartz model from 1986 features a 35mm Two-Tone case. Powered by the 6648 caliber with 27j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-b88abd92654d]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1986

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