Seiko Cal. 3815 - 500

This Automatic model from 1978 features a 36mm PVD Black case. Powered by the 3815 caliber with 29j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-6c38961fa470]

Also known as: Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1978

Related Models

• Seiko 7080-183
• Seiko 5689-886
• Seiko 4499-906
• Seiko 5618-583
• Seiko 6349-941
• Seiko 6685-352
• Seiko 7075-244
• Seiko 5252-773
• Seiko 0757-137
• Seiko 4484-237
• Seiko 0751-908
• Seiko 6223-115