Seiko Cal. 0771 - 187

This Automatic model from 1972 features a 46mm Hardlex-Coated Steel case. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-8c75d72c3c4d]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Cream

Jewels

19j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1972

Related Models

• Seiko 3834-787
• Seiko 5653-876
• Seiko 4458-524
• Seiko 5694-488
• Seiko 7021-966
• Seiko 3883-413
• Seiko 3828-831
• Seiko 6679-284
• Seiko 6249-695
• Seiko 7119-851
• Seiko 7186-845
• Seiko 6666-187