Seiko Cal. 4457 - 207

The 4457-207 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4457 caliber with 20j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-6e2e6915f3be]

Also known as: Goldfeather, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1978

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