Seiko Cal. 5620 - 310

The Seiko 5620-310 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d53b9d816ef9]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1990

Related Models

• Seiko 4538-300
• Seiko 0745-504
• Seiko 6371-758
• Seiko 6242-602
• Seiko 0733-828
• Seiko 6181-195
• Seiko 4584-271
• Seiko 6290-934
• Seiko 3874-383
• Seiko 6212-847
• Seiko 6381-597
• Seiko 4588-821