Seiko Cal. 3866 - 941

The Seiko 3866-941 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-b7f46ea0048c]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

35j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

Related Models

• Seiko 7143-630
• Seiko 6326-499
• Seiko 4521-644
• Seiko 6314-553
• Seiko 6391-425
• Seiko 6126-883
• Seiko 6163-441
• Seiko 5232-562
• Seiko 6189-107
• Seiko 6651-358
• Seiko 6310-383
• Seiko 3896-517