Seiko Cal. 7180 - 421

This Solar model from 1987 features a 40mm PVD Black case. It features a Silver dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-6e81937a19a7]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

17j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

Related Models

• Seiko 4580-886
• Seiko 7150-318
• Seiko 3831-852
• Seiko 0719-998
• Seiko 4592-114
• Seiko 4525-502
• Seiko 6652-669
• Seiko 0765-130
• Seiko 6347-668
• Seiko 5653-242
• Seiko 3898-972
• Seiko 0717-720