Seiko Cal. 0728 - 963

Seiko 0728-963

The 0728-963 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-8e40fbc00ddf]

Also known as: Tuna, Sportsmatic

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
12.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1977

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