Seiko Cal. 6139 - 835

This Spring Drive model from 1967 features a 44mm Titanium case. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-727763f67683]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1967

Related Models

• Seiko 6258-211
• Seiko 5233-601
• Seiko 4472-348
• Seiko 6250-826
• Seiko 0753-328
• Seiko 7052-215
• Seiko 7060-642
• Seiko 6312-221
• Seiko 0735-476
• Seiko 4594-801
• Seiko 7152-271
• Seiko 6664-847