Seiko Cal. 3892 - 448

The Seiko 3892-448 represents an important milestone in Seiko's 1968 lineup. Powered by the 3892 caliber with 32j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-1b14fcc4afa8]

Also known as: UFO, Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1968

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