Seiko Cal. 0720 - 448

This Spring Drive model from 1980 features a 42mm Two-Tone case. Powered by the 0720 caliber with 20j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-13a595c37d54]

Also known as: Silverwave, Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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