Seiko Cal. 0728 - 303

Seiko 0728-303

The Seiko 0728-303 represents an important milestone in Seiko's 1966 lineup. Powered by the 0728 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-f52dcd09c3d9]

Also known as: Monster, Silverwave

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
44mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
130m
Dial Color
Green
Jewels
29j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1966

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