Seiko Cal. 5638 - 169

The Seiko 5638-169 represents an important milestone in Seiko's 1966 lineup. It features a Black dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-2ee437d150ba]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1966

Related Models

• Seiko 5217-612
• Seiko 6624-715
• Seiko 5236-362
• Seiko 4455-546
• Seiko 4551-477
• Seiko 5216-272
• Seiko 3860-976
• Seiko 5616-471
• Seiko 7051-756
• Seiko 5247-730
• Seiko 7168-340
• Seiko 3841-283