Seiko Cal. 3866 - 310

The 3866-310 is a sought-after Automatic piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-8da214543610]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1988

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