Seiko Cal. 4451 - 241

The Seiko 4451-241 represents an important milestone in Seiko's 1970 lineup. Powered by the 4451 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-22fa1f28145b]

Also known as: Turtle, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

Related Models

• Seiko 3866-255
• Seiko 6222-393
• Seiko 6241-393
• Seiko 7128-686
• Seiko 6141-344
• Seiko 6122-490
• Seiko 6313-657
• Seiko 6221-219
• Seiko 0720-290
• Seiko 5641-888
• Seiko 7190-158
• Seiko 7067-541