Seiko Cal. 6633 - 370

This Spring Drive model from 1988 features a 35mm Two-Tone case. Powered by the 6633 caliber with 24j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-007c91f78aeb]

Also known as: World Timer, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Burgundy

Jewels

24j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1988

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