Seiko Cal. 6398 - 675

This Hand-Winding model from 1975 features a 37mm Hardlex-Coated Steel case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-8ef087adfa87]

Also known as: Pogue

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1975

Related Models

• Seiko 6252-421
• Seiko 7190-452
• Seiko 3859-109
• Seiko 4421-198
• Seiko 4538-789
• Seiko 6232-194
• Seiko 3829-652
• Seiko 6135-673
• Seiko 4533-797
• Seiko 6310-892
• Seiko 6612-644
• Seiko 4515-187