Seiko Cal. 0728 - 741

Seiko 0728-741

Released in 1993, the Cal. 0728 with design code 741 was part of Seiko's domestic market collection. Powered by the 0728 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-f8a96c681fc8]

Also known as: Sumo, Golden Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
13.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Champagne
Jewels
22j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1993

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