Seiko Cal. 7056 - 409

This Automatic model from 1978 features a 40mm Gold-Plated case. It features a Green dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e37c6adbb845]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1978

Related Models

• Seiko 4424-159
• Seiko 5672-649
• Seiko 5639-878
• Seiko 3832-458
• Seiko 4557-115
• Seiko 4537-983
• Seiko 7014-619
• Seiko 0751-829
• Seiko 7192-430
• Seiko 6310-803
• Seiko 6687-216
• Seiko 5642-842