Seiko Cal. 3877 - 373

This Kinetic model from 1974 features a 43mm PVD Black case. Powered by the 3877 caliber with 34j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-008daa378a24]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

43mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1974

Related Models

• Seiko 6214-226
• Seiko 3836-214
• Seiko 0724-345
• Seiko 6628-716
• Seiko 6665-202
• Seiko 4536-811
• Seiko 4510-132
• Seiko 0759-332
• Seiko 4570-601
• Seiko 6223-343
• Seiko 6618-680
• Seiko 6350-125