Seiko Cal. 7158 - 631

This Hand-Winding model from 1975 features a 45mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-0de563ad7c6b]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

Related Models

• Seiko 3833-705
• Seiko 7063-946
• Seiko 5291-499
• Seiko 5251-144
• Seiko 6117-905
• Seiko 6322-926
• Seiko 4546-184
• Seiko 0718-662
• Seiko 7011-952
• Seiko 5260-405
• Seiko 7166-325
• Seiko 6390-137