Seiko Cal. 7156 - 642

Released in 1997, the Cal. 7156 with design code 642 was part of Seiko's domestic market collection. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-038ffa42dfe7]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

19j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1997

Related Models

• Seiko 6338-725
• Seiko 7154-951
• Seiko 6660-420
• Seiko 5263-144
• Seiko 5654-158
• Seiko 5245-714
• Seiko 6127-490
• Seiko 5282-593
• Seiko 4527-504
• Seiko 0785-947
• Seiko 7068-517
• Seiko 5225-125