Seiko Cal. 0728 - 644

Seiko 0728-644

The 0728-644 is a sought-after Quartz piece from Seiko's golden era. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-83b1a60ecd0e]

Also known as: Arnie

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
15.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Champagne
Jewels
24j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1977

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