Seiko Cal. 4440 - 947

The 4440-947 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4440 caliber with 34j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-d68b02f13954]

Also known as: Rally, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1970

Related Models

• Seiko 4530-660
• Seiko 6137-928
• Seiko 5226-284
• Seiko 6664-823
• Seiko 6691-115
• Seiko 4510-109
• Seiko 0744-222
• Seiko 4470-641
• Seiko 7071-940
• Seiko 6270-432
• Seiko 0749-939
• Seiko 5244-917