Seiko Cal. 6388 - 776

The 6388-776 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-6f9ec725decb]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1971

Related Models

• Seiko 0737-476
• Seiko 3855-752
• Seiko 7019-327
• Seiko 6393-910
• Seiko 6683-189
• Seiko 6289-290
• Seiko 5268-858
• Seiko 5614-758
• Seiko 4458-265
• Seiko 4569-378
• Seiko 6153-455
• Seiko 5244-323