Seiko Cal. 3863 - 712

The Seiko 3863-712 represents an important milestone in Seiko's 1991 lineup. Powered by the 3863 caliber with 22j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-05c6f808df9c]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1991

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