Seiko Cal. 3847 - 727

The Seiko 3847-727 represents an important milestone in Seiko's 1987 lineup. Powered by the 3847 caliber with 17j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-0235894b8a30]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Titanium

Case Width

42mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1987

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