Seiko Cal. 5666 - 366

The Seiko 5666-366 represents an important milestone in Seiko's 1981 lineup. It features a Black dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-43391f19134c]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1981

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