Seiko Cal. 3828 - 663

This Spring Drive model from 1991 features a 43mm PVD Black case. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-bec15c571e61]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

Related Models

• Seiko 6385-794
• Seiko 6397-956
• Seiko 5663-524
• Seiko 4494-377
• Seiko 4494-840
• Seiko 0716-742
• Seiko 5671-586
• Seiko 6263-848
• Seiko 6683-602
• Seiko 4458-570
• Seiko 6618-988
• Seiko 6697-130