Seiko Cal. 3866 - 348

The 3866-348 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-cf7748cc8034]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1965

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