Seiko Cal. 3899 - 450

The 3899-450 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3899 caliber with 25j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-73d5cc0ec3b8]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1972

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