Seiko Cal. 0777 - 121

This Quartz model from 1986 features a 45mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-719918102a69]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1986

Related Models

• Seiko 4456-936
• Seiko 5631-452
• Seiko 5277-423
• Seiko 6130-793
• Seiko 4512-801
• Seiko 7131-592
• Seiko 6134-818
• Seiko 6166-579
• Seiko 6194-136
• Seiko 5257-602
• Seiko 4535-405
• Seiko 7046-861