Seiko Cal. 7137 - 256

This Hand-Winding model from 1994 features a 40mm Stainless Steel case. With its 20mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-1cab91a31991]

Also known as: Helmet, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1994

Related Models

• Seiko 4494-850
• Seiko 6271-764
• Seiko 6144-986
• Seiko 7120-622
• Seiko 6357-926
• Seiko 3821-667
• Seiko 4426-340
• Seiko 5641-604
• Seiko 5613-115
• Seiko 6286-791
• Seiko 7034-376
• Seiko 6262-329