Seiko Cal. 6138 - 311

This Automatic model from 1974 features a 43mm Titanium case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-416f7cb8df50]

Also known as: Monster, Flighty

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1974

Related Models

• Seiko 7194-824
• Seiko 5614-606
• Seiko 7091-638
• Seiko 6333-884
• Seiko 6640-231
• Seiko 7183-967
• Seiko 5269-850
• Seiko 3873-731
• Seiko 6168-483
• Seiko 5255-614
• Seiko 6226-141
• Seiko 6237-162