Seiko Cal. 7139 - 304

The Seiko 7139-304 represents an important milestone in Seiko's 1981 lineup. It features a Navy dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-ea75459351bb]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1981

Related Models

• Seiko 0733-436
• Seiko 7069-143
• Seiko 4442-124
• Seiko 6164-971
• Seiko 0737-709
• Seiko 0782-344
• Seiko 4414-749
• Seiko 7036-827
• Seiko 5681-648
• Seiko 0739-545
• Seiko 0752-367
• Seiko 6170-788