Seiko Cal. 6631 - 644

Seiko 6631-644

The 6631-644 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-de0e5ea021ad]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.7mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1992

Related Models

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