Seiko Cal. 3821 - 427

Released in 1991, the Cal. 3821 with design code 427 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-a89f29c13d6d]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

11.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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