Seiko Cal. 5638 - 746

The Seiko 5638-746 represents an important milestone in Seiko's 1979 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-eb377edb1114]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

Related Models

• Seiko 0789-573
• Seiko 6644-222
• Seiko 6149-608
• Seiko 6611-529
• Seiko 5697-490
• Seiko 6227-436
• Seiko 6618-647
• Seiko 6131-900
• Seiko 7038-427
• Seiko 5635-110
• Seiko 5215-483
• Seiko 0770-785