Seiko Cal. 0747 - 647

This Spring Drive model from 1978 features a 45mm Titanium case. Powered by the 0747 caliber with 19j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-c085f08cdc39]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1978

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