Seiko Cal. 5621 - 380

This Solar model from 1970 features a 35mm Two-Tone case. With its 21mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-dd0001cb0438]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

Related Models

• Seiko 4454-346
• Seiko 6193-864
• Seiko 6392-397
• Seiko 7158-142
• Seiko 3836-533
• Seiko 6359-974
• Seiko 4550-767
• Seiko 7150-619
• Seiko 6273-129
• Seiko 5221-514
• Seiko 6314-763
• Seiko 7112-599