Seiko Cal. 3866 - 231

The 3866-231 is a sought-after Hand-Winding piece from Seiko's golden era. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1259a66a3124]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1984

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