Seiko Cal. 5254 - 440

Released in 1971, the Cal. 5254 with design code 440 was part of Seiko's domestic market collection. Powered by the 5254 caliber with 23j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-901b13ecd3db]

Also known as: UFO, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1971

Related Models

• Seiko 7139-756
• Seiko 5279-688
• Seiko 6240-541
• Seiko 0718-408
• Seiko 7067-163
• Seiko 6322-179
• Seiko 0745-843
• Seiko 4561-630
• Seiko 4481-179
• Seiko 6643-616
• Seiko 5614-846
• Seiko 6396-448