Seiko Cal. 7121 - 420

The 7121-420 is a sought-after Automatic piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-9e0683c318fb]

Also known as: Bullhead, Navigator

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1984

Related Models

• Seiko 4599-431
• Seiko 4533-785
• Seiko 4545-323
• Seiko 0727-417
• Seiko 0725-770
• Seiko 4522-995
• Seiko 0784-131
• Seiko 3865-306
• Seiko 5221-720
• Seiko 5653-553
• Seiko 4589-284
• Seiko 6189-931