Seiko Cal. 3883 - 639

The Seiko 3883-639 represents an important milestone in Seiko's 1993 lineup. Powered by the 3883 caliber with 30j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-55214fd4e71f]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1993

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