Seiko Cal. 6631 - 418

Seiko 6631-418

This Kinetic model from 1998 features a 45mm Stainless Steel case. With its 21mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-1eeeff8e127d]

Also known as: Turtle, World Timer

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
10.6mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
50m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1998

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