Seiko Cal. 4535 - 421

The Seiko 4535-421 represents an important milestone in Seiko's 1971 lineup. Powered by the 4535 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-5a853a17e225]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

Related Models

• Seiko 7117-142
• Seiko 6135-231
• Seiko 0759-336
• Seiko 7072-383
• Seiko 6257-291
• Seiko 3833-821
• Seiko 6616-996
• Seiko 7186-927
• Seiko 5266-358
• Seiko 4523-962
• Seiko 6251-305
• Seiko 6667-976