Seiko Cal. 6166 - 831

The 6166-831 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-29ae5af0bfb1]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1991

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