Seiko Cal. 3866 - 197

Released in 1973, the Cal. 3866 with design code 197 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7cca1af8615b]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1973

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