Seiko Cal. 6398 - 263

This Quartz model from 1970 features a 42mm PVD Black case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-a467bb5ec058]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

42mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

Related Models

• Seiko 4560-239
• Seiko 6158-252
• Seiko 3837-529
• Seiko 0728-139
• Seiko 3836-335
• Seiko 6662-301
• Seiko 5671-167
• Seiko 0737-394
• Seiko 4424-743
• Seiko 6117-293
• Seiko 6362-457
• Seiko 4563-620