Seiko Cal. 3821 - 440

The Seiko 3821-440 represents an important milestone in Seiko's 1968 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-9ec806e13641]

Also known as: Samurai, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1968

Related Models

• Seiko 5636-177
• Seiko 6138-892
• Seiko 5640-108
• Seiko 6114-742
• Seiko 4454-125
• Seiko 4451-796
• Seiko 6175-846
• Seiko 3851-406
• Seiko 4579-160
• Seiko 4550-565
• Seiko 5272-420
• Seiko 0788-580