Seiko Cal. 3881 - 699

This Spring Drive model from 1984 features a 43mm PVD Black case. Powered by the 3881 caliber with 26j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-a70bec8d1519]

Also known as: Sumo, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

Related Models

• Seiko 6383-743
• Seiko 5685-492
• Seiko 7173-137
• Seiko 5656-559
• Seiko 4587-988
• Seiko 5679-189
• Seiko 7156-533
• Seiko 6316-193
• Seiko 7031-815
• Seiko 4429-833
• Seiko 0729-218
• Seiko 5667-327