Seiko Cal. 6388 - 959

The 6388-959 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-e7885b84b322]

Also known as: Sumo, Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1988

Related Models

• Seiko 6384-964
• Seiko 6237-934
• Seiko 7056-775
• Seiko 5635-679
• Seiko 7052-793
• Seiko 5294-813
• Seiko 6319-458
• Seiko 5222-751
• Seiko 5262-865
• Seiko 6145-353
• Seiko 3899-914
• Seiko 7080-438