Seiko Cal. 6653 - 197

This Automatic model from 1998 features a 37mm PVD Black case. Powered by the 6653 caliber with 24j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-4c717fd680e4]

Also known as: Monster, Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1998

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