Seiko Cal. 3877 - 763

The Seiko 3877-763 represents an important milestone in Seiko's 1991 lineup. Powered by the 3877 caliber with 31j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-909c844a6325]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1991

Related Models

• Seiko 6350-927
• Seiko 4492-886
• Seiko 4566-558
• Seiko 6243-132
• Seiko 7162-105
• Seiko 7164-503
• Seiko 4576-545
• Seiko 5689-551
• Seiko 0714-486
• Seiko 4569-674
• Seiko 0757-992
• Seiko 6294-714