Seiko Cal. 4545 - 617

The Seiko 4545-617 represents an important milestone in Seiko's 1978 lineup. Powered by the 4545 caliber with 29j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-46358a7e122e]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1978

Related Models

• Seiko 3859-358
• Seiko 3879-397
• Seiko 5235-979
• Seiko 3822-935
• Seiko 4421-206
• Seiko 0712-457
• Seiko 7045-163
• Seiko 5232-582
• Seiko 3883-224
• Seiko 4487-714
• Seiko 6331-521
• Seiko 7032-659