Seiko Cal. 5618 - 984

The Seiko 5618-984 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-da7dbde9d101]

Also known as: Turtle, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1987

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