Seiko Cal. 3855 - 964

The 3855-964 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3855 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-776f741d5adf]

Also known as: Sportsmatic, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1983

Related Models

• Seiko 5617-655
• Seiko 3889-934
• Seiko 4572-527
• Seiko 3828-370
• Seiko 7145-190
• Seiko 4497-984
• Seiko 6693-899
• Seiko 7178-935
• Seiko 4446-940
• Seiko 7013-287
• Seiko 3821-949
• Seiko 3814-368