Seiko Cal. 7171 - 725

The Seiko 7171-725 represents an important milestone in Seiko's 1977 lineup. It features a Silver dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-5f6ddf50137b]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1977

Related Models

• Seiko 7072-190
• Seiko 4474-133
• Seiko 7058-795
• Seiko 7181-988
• Seiko 5691-990
• Seiko 7113-180
• Seiko 6239-346
• Seiko 4543-707
• Seiko 7129-263
• Seiko 6393-849
• Seiko 7055-847
• Seiko 4412-546