Seiko Cal. 4457 - 816

The 4457-816 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4457 caliber with 25j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ada713dcaaa0]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1985

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