Seiko Cal. 6241 - 187

This Hand-Winding model from 1977 features a 44mm Two-Tone case. Powered by the 6241 caliber with 20j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-bdd4a0c8195d]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1977

Related Models

• Seiko 6626-183
• Seiko 5656-486
• Seiko 0718-572
• Seiko 7045-725
• Seiko 4598-894
• Seiko 0733-217
• Seiko 3872-154
• Seiko 7073-578
• Seiko 7144-400
• Seiko 7132-148
• Seiko 5238-342
• Seiko 5685-649