Seiko Cal. 6693 - 740

The 6693-740 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6693 caliber with 36j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-f5528ff3379e]

Also known as: Monster, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

190m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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