Seiko Cal. 3821 - 440

The Seiko 3821-440 represents an important milestone in Seiko's 1977 lineup. Powered by the 3821 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-f92a70618049]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1977

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