Seiko Cal. 0721 - 870

The Seiko 0721-870 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-1536245256c7]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1975

Related Models

• Seiko 6223-414
• Seiko 5695-353
• Seiko 6626-419
• Seiko 7016-545
• Seiko 7018-496
• Seiko 4454-490
• Seiko 6332-692
• Seiko 5639-312
• Seiko 7120-880
• Seiko 5646-792
• Seiko 0752-126
• Seiko 4517-940