Seiko Cal. 5618 - 549

The Seiko 5618-549 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-2e9c5663c95b]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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