Seiko Cal. 6193 - 721

This Spring Drive model from 1988 features a 36mm PVD Black case. Powered by the 6193 caliber with 21j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-306d9972719b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1988

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