Seiko Cal. 6680 - 631

Seiko 6680-631

The 6680-631 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-0cc57dad9c3b]

Also known as: Turtle, Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1974

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