Seiko Cal. 3815 - 555

This Hand-Winding model from 1991 features a 44mm PVD Black case. Powered by the 3815 caliber with 24j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-ddc66e4c4e56]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1991

Related Models

• Seiko 6276-312
• Seiko 4591-107
• Seiko 4514-851
• Seiko 6395-657
• Seiko 4456-676
• Seiko 4552-818
• Seiko 7135-613
• Seiko 5229-307
• Seiko 6185-240
• Seiko 4521-670
• Seiko 7063-423
• Seiko 3826-970