Seiko Cal. 5227 - 157

The 5227-157 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5227 caliber with 24j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-de2a8f318ab0]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

Related Models

• Seiko 7174-555
• Seiko 5238-880
• Seiko 4455-260
• Seiko 6134-507
• Seiko 7022-598
• Seiko 5217-520
• Seiko 7144-335
• Seiko 6350-834
• Seiko 5245-731
• Seiko 7095-888
• Seiko 6169-665
• Seiko 5284-827