Seiko Cal. 6397 - 275

This Automatic model from 1989 features a 45mm Titanium case. Powered by the 6397 caliber with 33j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-d616b5efdb27]

Also known as: Monster, World Timer

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1989

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