Seiko Cal. 3847 - 681

The Seiko 3847-681 represents an important milestone in Seiko's 1976 lineup. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ec52138df6e8]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1976

Related Models

• Seiko 7117-136
• Seiko 6321-169
• Seiko 6363-311
• Seiko 4525-678
• Seiko 5695-314
• Seiko 5278-788
• Seiko 0712-204
• Seiko 0792-269
• Seiko 3865-649
• Seiko 4580-235
• Seiko 5649-258
• Seiko 3893-983