Seiko Cal. 3858 - 107

The 3858-107 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3858 caliber with 17j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-acfe27250eb3]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1996

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