Seiko Cal. 6634 - 672

Seiko 6634-672

The Seiko 6634-672 represents an important milestone in Seiko's 1970 lineup. It features a Silver dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-ce77159dad61]

Also known as: Tuna, Emperor

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
40m
Dial Color
Silver
Jewels
19j
Frequency
36,000 bph
Power Reserve
40 hours
Year
1970

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seikata-wm-ce77159dad61