Seiko Cal. 5666 - 187

The 5666-187 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-732fb502ac6e]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1991

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