Seiko Cal. 6657 - 640

Seiko 6657-640

The Seiko 6657-640 represents an important milestone in Seiko's 1999 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-139c32ebc78e]

Also known as: Arnie

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Burgundy
Jewels
17j
Frequency
36,000 bph
Power Reserve
58 hours
Year
1999

Related Models

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