Seiko Cal. 4540 - 617

The Seiko 4540-617 represents an important milestone in Seiko's 1986 lineup. Powered by the 4540 caliber with 32j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-77392cffb451]

Also known as: Navigator, Flighty

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

32j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1986

Related Models

• Seiko 0728-820
• Seiko 5212-531
• Seiko 4445-522
• Seiko 7125-593
• Seiko 7126-324
• Seiko 3826-220
• Seiko 4593-590
• Seiko 7048-208
• Seiko 6641-691
• Seiko 6692-579
• Seiko 0782-525
• Seiko 4444-498