Seiko Cal. 5618 - 738

The Seiko 5618-738 represents an important milestone in Seiko's 1974 lineup. Powered by the 5618 caliber with 19j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-dd7572ee0e7d]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1974

Related Models

• Seiko 4419-840
• Seiko 3811-100
• Seiko 6221-209
• Seiko 4576-126
• Seiko 0747-877
• Seiko 3828-328
• Seiko 7188-970
• Seiko 5646-572
• Seiko 7082-234
• Seiko 4487-556
• Seiko 3860-936
• Seiko 6684-719