Seiko Cal. 5666 - 385

The 5666-385 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5666 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-752ad2dbb613]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

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