Seiko Cal. 3861 - 240

The Seiko 3861-240 represents an important milestone in Seiko's 1995 lineup. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-528ad3e84612]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1995

Related Models

• Seiko 6142-493
• Seiko 4474-752
• Seiko 3863-117
• Seiko 4528-624
• Seiko 6617-943
• Seiko 6322-507
• Seiko 5241-351
• Seiko 0739-102
• Seiko 6228-504
• Seiko 6153-630
• Seiko 4537-236
• Seiko 6322-130