Seiko Cal. 5618 - 594

The Seiko 5618-594 represents an important milestone in Seiko's 1991 lineup. Powered by the 5618 caliber with 30j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-d40ce6efa6e0]

Also known as: Tuna, Navigator

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1991

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