Seiko Cal. 4436 - 918

The Seiko 4436-918 represents an important milestone in Seiko's 1998 lineup. Powered by the 4436 caliber with 18j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-4ab412ee8e8c]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1998

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