Seiko Cal. 0778 - 561

This Spring Drive model from 1985 features a 39mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-99ed3dbd1298]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1985

Related Models

• Seiko 6686-267
• Seiko 3880-814
• Seiko 4599-473
• Seiko 5288-390
• Seiko 0785-649
• Seiko 5630-281
• Seiko 5225-931
• Seiko 4415-674
• Seiko 7151-896
• Seiko 3830-490
• Seiko 6242-639
• Seiko 5617-233