Seiko Cal. 3899 - 105

The 3899-105 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3899 caliber with 21j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-343982ee404a]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1996

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