Seiko Cal. 5665 - 271

The Seiko 5665-271 represents an important milestone in Seiko's 1976 lineup. It features a Cream dial protected by a Hardlex crystal and offers 60m of water resistance. [seikata-wm-7abfa5cdfacb]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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