Seiko Cal. 6644 - 807

Seiko 6644-807

The Seiko 6644-807 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-8b2492e74d5c]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Champagne
Jewels
24j
Frequency
21,600 bph
Power Reserve
53 hours
Year
1979

Related Models

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