Seiko Cal. 3853 - 664

The Seiko 3853-664 represents an important milestone in Seiko's 1985 lineup. Powered by the 3853 caliber with 25j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-ebf1a1cd61eb]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1985

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