Seiko Cal. 6396 - 641

The Seiko 6396-641 represents an important milestone in Seiko's 1977 lineup. It features a Navy dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-7cffa2e10b3e]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Navy

Jewels

33j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1977

Related Models

• Seiko 7175-970
• Seiko 5690-865
• Seiko 6137-603
• Seiko 6362-389
• Seiko 4456-579
• Seiko 3833-153
• Seiko 6115-159
• Seiko 4495-436
• Seiko 7084-873
• Seiko 4437-683
• Seiko 4550-395
• Seiko 4425-712