Seiko Cal. 5666 - 923

The 5666-923 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-1984322c6e59]

Also known as: Pogue, UFO

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1971

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