Seiko Cal. 5218 - 187

The Seiko 5218-187 represents an important milestone in Seiko's 1972 lineup. Powered by the 5218 caliber with 25j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-d0bafb0ae4ec]

Also known as: Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1972

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