Seiko Cal. 7021 - 728

The Seiko 7021-728 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-947f4e18c2f5]

Also known as: Monster

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1989

Related Models

• Seiko 7193-974
• Seiko 6282-889
• Seiko 5254-852
• Seiko 4496-750
• Seiko 3866-188
• Seiko 5283-847
• Seiko 7155-599
• Seiko 7186-218
• Seiko 5628-710
• Seiko 4532-312
• Seiko 3890-410
• Seiko 7034-775