Seiko Cal. 0727 - 687

The Seiko 0727-687 represents an important milestone in Seiko's 1970 lineup. Powered by the 0727 caliber with 22j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-791db83c3bac]

Also known as: World Timer, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1970

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