Seiko Cal. 3850 - 646

The Seiko 3850-646 represents an important milestone in Seiko's 1977 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8d1459077b1a]

Also known as: UFO, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1977

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