Seiko Cal. 0728 - 654

Seiko 0728-654

The 0728-654 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 0728 caliber with 27j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-4857711626cc]

Also known as: Sportsmatic, Crown

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
130m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1969

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seikata-wm-4857711626cc