Seiko Cal. 5638 - 385

The 5638-385 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5638 caliber with 36j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-eabd1a3c389a]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1980

Related Models

• Seiko 4444-363
• Seiko 5645-151
• Seiko 4494-727
• Seiko 3861-336
• Seiko 4414-276
• Seiko 4455-870
• Seiko 0770-865
• Seiko 3831-615
• Seiko 7043-243
• Seiko 6252-670
• Seiko 4484-371
• Seiko 6368-100