Seiko Cal. 3881 - 700

The Seiko 3881-700 represents an important milestone in Seiko's 1984 lineup. Powered by the 3881 caliber with 31j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-35605c7ca7c1]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

12.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1984

Related Models

• Seiko 6257-115
• Seiko 7084-104
• Seiko 6139-800
• Seiko 6687-133
• Seiko 7113-359
• Seiko 6254-309
• Seiko 5215-739
• Seiko 5233-831
• Seiko 0717-989
• Seiko 6176-666
• Seiko 7012-271
• Seiko 7115-691