Seiko Cal. 3861 - 685

The 3861-685 is a sought-after Automatic piece from Seiko's golden era. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-1ecff0cd6d93]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1973

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