Seiko Cal. 5666 - 163

Released in 1975, the Cal. 5666 with design code 163 was part of Seiko's domestic market collection. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c0af2aa5bf4d]

Also known as: Shogun, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1975

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