Seiko Cal. 6642 - 597

Seiko 6642-597

The Seiko 6642-597 represents an important milestone in Seiko's 1998 lineup. Powered by the 6642 caliber with 33j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-4e848c3f144c]

Also known as: Tuna, Emperor

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
140m
Dial Color
Navy
Jewels
33j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1998

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