Seiko Cal. 5271 - 340

This Solar model from 1977 features a 34mm PVD Black case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-34ee9b8fca7d]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

Related Models

• Seiko 5683-787
• Seiko 6248-194
• Seiko 6174-730
• Seiko 3829-207
• Seiko 7070-832
• Seiko 6363-374
• Seiko 7083-777
• Seiko 3884-910
• Seiko 5230-223
• Seiko 0720-134
• Seiko 5688-415
• Seiko 5663-925