Seiko Cal. 4477 - 720

Seiko 4477-720

The Seiko 4477-720 represents an important milestone in Seiko's 1967 lineup. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-e442a2b677a7]

Also known as: World Timer

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
13.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
30m
Dial Color
White
Jewels
31j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1967

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