Seiko Cal. 3840 - 482

Released in 1981, the Cal. 3840 with design code 482 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-6bc43bbe804f]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1981

Related Models

• Seiko 3816-254
• Seiko 7168-228
• Seiko 7176-383
• Seiko 6127-445
• Seiko 6278-754
• Seiko 3877-765
• Seiko 5676-702
• Seiko 6362-857
• Seiko 6263-608
• Seiko 6126-362
• Seiko 6628-158
• Seiko 6353-939