Seiko Cal. 3883 - 640

The Seiko 3883-640 represents an important milestone in Seiko's 1999 lineup. Powered by the 3883 caliber with 17j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-4233de1db1c7]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1999

Related Models

• Seiko 6265-796
• Seiko 6311-193
• Seiko 6368-251
• Seiko 3849-802
• Seiko 5690-721
• Seiko 4430-494
• Seiko 7177-130
• Seiko 6638-880
• Seiko 7192-877
• Seiko 6283-514
• Seiko 6254-278
• Seiko 6243-155