Seiko Cal. 0727 - 428

Seiko 0727-428

The Seiko 0727-428 represents an important milestone in Seiko's 1997 lineup. Powered by the 0727 caliber with 20j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-3bfaa280f82c]

Also known as: Helmet, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
44mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1997

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