Seiko Cal. 3841 - 971

The Seiko 3841-971 represents an important milestone in Seiko's 1985 lineup. Powered by the 3841 caliber with 31j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-946b7352591d]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1985

Related Models

• Seiko 7093-626
• Seiko 5633-368
• Seiko 6621-909
• Seiko 6231-152
• Seiko 5684-514
• Seiko 5292-259
• Seiko 5247-696
• Seiko 0797-622
• Seiko 3871-425
• Seiko 4432-549
• Seiko 5698-873
• Seiko 5279-696