Seiko Cal. 5666 - 831

The Seiko 5666-831 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-c5545cc7326d]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1966

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