Seiko Cal. 4540 - 811

The Seiko 4540-811 represents an important milestone in Seiko's 1965 lineup. Powered by the 4540 caliber with 25j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-e45aba2c604e]

Also known as: Crown, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1965

Related Models

• Seiko 3860-468
• Seiko 6323-860
• Seiko 4516-633
• Seiko 6325-385
• Seiko 6393-434
• Seiko 6383-141
• Seiko 6314-528
• Seiko 4526-738
• Seiko 5628-703
• Seiko 7082-996
• Seiko 7163-217
• Seiko 4588-770