Seiko Cal. 5684 - 320

This Automatic model from 1970 features a 45mm PVD Black case. It features a White dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-2251f6bfab1c]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1970

Related Models

• Seiko 5290-588
• Seiko 4413-902
• Seiko 0772-255
• Seiko 0771-768
• Seiko 7170-654
• Seiko 6660-141
• Seiko 6616-875
• Seiko 7161-859
• Seiko 5652-438
• Seiko 7175-680
• Seiko 6239-843
• Seiko 6258-346