Seiko Cal. 6617 - 744

The Seiko 6617-744 represents an important milestone in Seiko's 1966 lineup. Powered by the 6617 caliber with 25j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-ce9621dd7e1a]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1966

Related Models

• Seiko 7094-651
• Seiko 7127-121
• Seiko 0719-358
• Seiko 6259-463
• Seiko 0721-696
• Seiko 5688-315
• Seiko 4470-417
• Seiko 5263-761
• Seiko 5266-177
• Seiko 3820-229
• Seiko 3850-545
• Seiko 6111-855