Seiko Cal. 4544 - 312

The Seiko 4544-312 represents an important milestone in Seiko's 1987 lineup. Powered by the 4544 caliber with 23j jewels beating at 36,000 bph, it delivers a 44 hours power reserve. [seikata-wm-c4a0746a691a]

Also known as: Navigator, Sea Horse

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1987

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