Seiko Cal. 5277 - 136

The Seiko 5277-136 represents an important milestone in Seiko's 1978 lineup. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-7c2ed86dd85b]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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