Seiko Cal. 5621 - 327

This Kinetic model from 1978 features a 45mm Two-Tone case. It features a Champagne dial protected by a Hardlex crystal and offers 50m of water resistance. [seikata-wm-8aa4cbe3b39a]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1978

Related Models

• Seiko 6218-737
• Seiko 7086-785
• Seiko 5290-700
• Seiko 3852-657
• Seiko 4553-477
• Seiko 4437-474
• Seiko 0763-636
• Seiko 6286-714
• Seiko 5633-231
• Seiko 6637-645
• Seiko 5668-570
• Seiko 6279-770