Seiko Cal. 3899 - 953

The 3899-953 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3899 caliber with 22j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-6f6d5096599e]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

22j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1971

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