Seiko Cal. 7138 - 426

This Spring Drive model from 1987 features a 45mm Titanium case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-0c0af2717e11]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1987

Related Models

• Seiko 5683-839
• Seiko 4539-764
• Seiko 4452-304
• Seiko 6312-473
• Seiko 7185-701
• Seiko 7167-512
• Seiko 3847-182
• Seiko 5266-284
• Seiko 4465-318
• Seiko 6212-550
• Seiko 7011-984
• Seiko 7130-891