Seiko Cal. 0728 - 234

Seiko 0728-234

The Seiko 0728-234 represents an important milestone in Seiko's 1998 lineup. Powered by the 0728 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-d4cb66e7090f]

Also known as: Tuna, Helmet

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1998

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