Seiko Cal. 4497 - 857

The 4497-857 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4497 caliber with 23j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-427e6112e760]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1999

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