Seiko Cal. 7180 - 388

This Spring Drive model from 1979 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-7629938599d4]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1979

Related Models

• Seiko 6298-264
• Seiko 7052-450
• Seiko 5656-541
• Seiko 6667-142
• Seiko 7010-742
• Seiko 6332-720
• Seiko 6176-213
• Seiko 5283-986
• Seiko 7032-905
• Seiko 6178-139
• Seiko 3820-116
• Seiko 5219-682