Seiko Cal. 3813 - 995

This Hand-Winding model from 1991 features a 37mm PVD Black case. Powered by the 3813 caliber with 18j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-86396a5ca70a]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

Related Models

• Seiko 4418-407
• Seiko 7158-512
• Seiko 5238-916
• Seiko 0744-732
• Seiko 6167-736
• Seiko 4559-927
• Seiko 5244-528
• Seiko 6187-885
• Seiko 6225-245
• Seiko 3850-140
• Seiko 5662-857
• Seiko 6162-205