Seiko Cal. 3861 - 240

This Hand-Winding model from 1987 features a 37mm Two-Tone case. With its 20mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-774c82485ed1]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

Related Models

• Seiko 5241-788
• Seiko 6299-586
• Seiko 6284-549
• Seiko 6315-215
• Seiko 0781-388
• Seiko 7035-521
• Seiko 5665-807
• Seiko 0757-179
• Seiko 6159-750
• Seiko 6687-430
• Seiko 6666-131
• Seiko 7166-582