Seiko Cal. 3861 - 870

The 3861-870 is a sought-after Automatic piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-5ddc8e461605]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1974

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