Seiko Cal. 5618 - 516

The Seiko 5618-516 represents an important milestone in Seiko's 1987 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a40418c39606]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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