Seiko Cal. 4552 - 927

The 4552-927 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4552 caliber with 34j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-faa8875461af]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Silver

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1971

Related Models

• Seiko 5611-146
• Seiko 4446-519
• Seiko 6114-964
• Seiko 7189-460
• Seiko 6166-664
• Seiko 7153-641
• Seiko 7170-152
• Seiko 7133-678
• Seiko 0730-298
• Seiko 7013-668
• Seiko 6318-986
• Seiko 7075-834