Seiko Cal. 4457 - 737

Seiko 4457-737

The Seiko 4457-737 represents an important milestone in Seiko's 1995 lineup. Powered by the 4457 caliber with 20j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-746d91b966b0]

Also known as: Silverwave, Arnie

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
40mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Green
Jewels
20j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1995

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