Seiko Cal. 0720 - 339

This Automatic model from 1999 features a 42mm Stainless Steel case. Powered by the 0720 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-349cbe42abf4]

Also known as: Monster, Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1999

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