Seiko Cal. 3811 - 171

This Automatic model from 1970 features a 38mm Stainless Steel case. Powered by the 3811 caliber with 27j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-1898c3d5f0f3]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Champagne

Jewels

27j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1970

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