Seiko Cal. 7139 - 954

The Seiko 7139-954 represents an important milestone in Seiko's 1978 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-8874a4f382b9]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

Related Models

• Seiko 7057-950
• Seiko 6260-293
• Seiko 4527-467
• Seiko 4593-503
• Seiko 5243-547
• Seiko 4536-338
• Seiko 7110-864
• Seiko 6336-373
• Seiko 4585-272
• Seiko 6240-528
• Seiko 4473-147
• Seiko 5277-150