Seiko Cal. 5665 - 506

Released in 1980, the Cal. 5665 with design code 506 was part of Seiko's domestic market collection. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-20cab74fb14a]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1980

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