Seiko Cal. 7156 - 723

This Hand-Winding model from 1985 features a 40mm Hardlex-Coated Steel case. With its 19mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-8abc7b68bcd4]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1985

Related Models

• Seiko 6172-536
• Seiko 7182-191
• Seiko 7138-964
• Seiko 7185-377
• Seiko 3876-586
• Seiko 6161-577
• Seiko 4518-102
• Seiko 6168-119
• Seiko 0759-984
• Seiko 4566-670
• Seiko 7033-184
• Seiko 6163-109