Seiko Cal. 3825 - 616

The Seiko 3825-616 represents an important milestone in Seiko's 1969 lineup. Powered by the 3825 caliber with 34j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-4c0fdfeff53b]

Also known as: Bullhead, Navigator

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

Related Models

• Seiko 4525-572
• Seiko 6681-849
• Seiko 4474-280
• Seiko 4550-291
• Seiko 6330-936
• Seiko 7120-934
• Seiko 7140-997
• Seiko 6668-576
• Seiko 7131-786
• Seiko 5663-178
• Seiko 4420-233
• Seiko 0766-300