Seiko Cal. 6371 - 687

The Seiko 6371-687 represents an important milestone in Seiko's 1981 lineup. The Fixed bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-be9955917595]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

40m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1981

Related Models

• Seiko 6198-609
• Seiko 7118-435
• Seiko 6152-556
• Seiko 6137-998
• Seiko 4568-310
• Seiko 0711-852
• Seiko 6119-981
• Seiko 6638-347
• Seiko 4560-630
• Seiko 4496-614
• Seiko 6211-560
• Seiko 6375-656