Seiko Cal. 3828 - 999

This Quartz model from 1970 features a 36mm PVD Black case. Powered by the 3828 caliber with 32j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-09b45573a427]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Champagne

Jewels

32j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1970

Related Models

• Seiko 7183-973
• Seiko 3817-176
• Seiko 6646-914
• Seiko 5636-541
• Seiko 6384-416
• Seiko 5649-599
• Seiko 4519-556
• Seiko 5276-196
• Seiko 0717-745
• Seiko 7069-782
• Seiko 0774-555
• Seiko 7040-853