Seiko Cal. 3866 - 815

The 3866-815 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-5a45c5cbd894]

Also known as: Samurai, Sportsmatic

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1990

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