Seiko Cal. 6638 - 494

Seiko 6638-494

The Seiko 6638-494 represents an important milestone in Seiko's 1994 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-d3923c51c0ae]

Also known as: Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1994

Related Models

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