Seiko Cal. 6121 - 578

The Seiko 6121-578 represents an important milestone in Seiko's 1985 lineup. It features a Green dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-d97b5ffa4e6a]

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1985

Related Models

• Seiko 3895-859
• Seiko 4547-137
• Seiko 4470-135
• Seiko 6286-159
• Seiko 7125-725
• Seiko 6260-285
• Seiko 6276-277
• Seiko 6695-808
• Seiko 7186-647
• Seiko 6375-142
• Seiko 5621-814
• Seiko 5669-904