Seiko Cal. 4440 - 780

The 4440-780 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4440 caliber with 27j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-0ec48db38bb1]

Also known as: Sea Horse, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1995

Related Models

• Seiko 6636-329
• Seiko 4445-400
• Seiko 4490-457
• Seiko 6124-565
• Seiko 3886-738
• Seiko 6213-326
• Seiko 6655-369
• Seiko 7171-648
• Seiko 7055-721
• Seiko 7176-711
• Seiko 6122-484
• Seiko 7131-703