Seiko Cal. 6320 - 153

The 6320-153 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b029052cb239]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1977

Related Models

• Seiko 7013-692
• Seiko 4589-140
• Seiko 7038-754
• Seiko 5668-121
• Seiko 5688-405
• Seiko 7162-919
• Seiko 0747-384
• Seiko 6229-425
• Seiko 7046-744
• Seiko 7199-789
• Seiko 0743-967
• Seiko 7074-867