Seiko Cal. 5277 - 155

The Seiko 5277-155 represents an important milestone in Seiko's 1973 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-641af55ef367]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1973

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