Seiko Cal. 6635 - 856

This Quartz model from 1985 features a 40mm Two-Tone case. Powered by the 6635 caliber with 26j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-dd1d8022d427]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1985

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