Seiko Cal. 5633 - 721

The Seiko 5633-721 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-ad0516bc8107]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1989

Related Models

• Seiko 4587-385
• Seiko 5246-238
• Seiko 7194-552
• Seiko 3845-596
• Seiko 6673-299
• Seiko 5230-747
• Seiko 0731-740
• Seiko 6193-662
• Seiko 6170-924
• Seiko 7045-130
• Seiko 3820-625
• Seiko 4419-897