Seiko Cal. 5227 - 320

The Seiko 5227-320 represents an important milestone in Seiko's 1971 lineup. Powered by the 5227 caliber with 25j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-c23af35797b9]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 4467-791
• Seiko 6676-902
• Seiko 0711-338
• Seiko 7037-989
• Seiko 4420-203
• Seiko 4453-345
• Seiko 7172-503
• Seiko 5284-943
• Seiko 5289-194
• Seiko 4522-311
• Seiko 6369-353
• Seiko 7026-590