Seiko Cal. 5277 - 550

The Seiko 5277-550 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-e5f3f558f95c]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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