Seiko Cal. 5666 - 228

The 5666-228 is a sought-after Kinetic piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-bd2a6269ca05]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1987

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