Seiko Cal. 6371 - 576

This Automatic model from 1988 features a 38mm PVD Black case. Powered by the 6371 caliber with 35j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-5608ca683e72]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 5218-863
• Seiko 5688-335
• Seiko 3812-212
• Seiko 7089-932
• Seiko 6136-110
• Seiko 7195-546
• Seiko 6322-308
• Seiko 4462-157
• Seiko 7110-650
• Seiko 6387-249
• Seiko 4596-109
• Seiko 7184-433