Seiko Cal. 7138 - 385

This Spring Drive model from 1980 features a 45mm Hardlex-Coated Steel case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-f168c272deec]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

Related Models

• Seiko 5643-554
• Seiko 6348-424
• Seiko 4439-831
• Seiko 6179-989
• Seiko 4573-429
• Seiko 3841-627
• Seiko 4485-827
• Seiko 7198-920
• Seiko 4499-195
• Seiko 7110-932
• Seiko 4536-217
• Seiko 6258-100