Seiko Cal. 5271 - 647

This Solar model from 1967 features a 46mm Two-Tone case. Powered by the 5271 caliber with 25j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-9231614ab8be]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1967

Related Models

• Seiko 5297-404
• Seiko 4479-547
• Seiko 0711-333
• Seiko 0732-181
• Seiko 4425-898
• Seiko 6388-139
• Seiko 4481-751
• Seiko 0777-471
• Seiko 3890-476
• Seiko 6612-240
• Seiko 6183-563
• Seiko 6692-829