Seiko Cal. 4546 - 621

The Seiko 4546-621 represents an important milestone in Seiko's 1965 lineup. Powered by the 4546 caliber with 30j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-1ee2d39561a2]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1965

Related Models

• Seiko 4475-996
• Seiko 6699-911
• Seiko 7190-321
• Seiko 4417-692
• Seiko 7046-909
• Seiko 4453-515
• Seiko 0798-535
• Seiko 7143-930
• Seiko 6386-111
• Seiko 6197-283
• Seiko 6286-629
• Seiko 4410-268