Seiko Cal. 6397 - 643

Seiko 6397-643

Released in 1988, the Cal. 6397 with design code 643 was part of Seiko's domestic market collection. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-c94c8e006626]

Also known as: Turtle, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Black
Jewels
29j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1988

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