Seiko Cal. 3821 - 394

This Spring Drive model from 1975 features a 40mm Gold-Plated case. The Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-345a625fb346]

Also known as: UFO, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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