Seiko Cal. 7156 - 135

The Seiko 7156-135 represents an important milestone in Seiko's 1993 lineup. The Bidirectional bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-0184ae58860a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1993

Related Models

• Seiko 6248-101
• Seiko 0752-564
• Seiko 6396-552
• Seiko 5617-931
• Seiko 5220-393
• Seiko 3821-986
• Seiko 3842-825
• Seiko 6122-297
• Seiko 4565-718
• Seiko 6149-268
• Seiko 4513-962
• Seiko 7175-680