Seiko Cal. 7156 - 410

This Spring Drive model from 1978 features a 40mm Titanium case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-9c84f56c00c7]

Also known as: Sumo, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1978

Related Models

• Seiko 6297-302
• Seiko 3888-717
• Seiko 6644-145
• Seiko 7129-491
• Seiko 6622-773
• Seiko 7043-677
• Seiko 6175-812
• Seiko 6371-552
• Seiko 6659-629
• Seiko 0782-591
• Seiko 5250-909
• Seiko 0722-619