Seiko Cal. 3828 - 551

This Spring Drive model from 1973 features a 39mm PVD Black case. Powered by the 3828 caliber with 22j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-60e3c275f028]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1973

Related Models

• Seiko 4469-244
• Seiko 4471-503
• Seiko 0721-817
• Seiko 5652-100
• Seiko 6373-686
• Seiko 5228-157
• Seiko 7128-556
• Seiko 6318-822
• Seiko 4441-707
• Seiko 4556-831
• Seiko 6298-798
• Seiko 5639-460