Seiko Cal. 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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