Seiko Cal. 0720 - 315

This Spring Drive model from 1997 features a 39mm Hardlex-Coated Steel case. Powered by the 0720 caliber with 18j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-d6cfe1685ee9]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1997

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