Seiko Cal. 5618 - 535

This Spring Drive model from 1977 features a 38mm Titanium case. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-491331ab695b]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 6679-872
• Seiko 5650-555
• Seiko 5292-115
• Seiko 4539-867
• Seiko 5210-831
• Seiko 5669-255
• Seiko 3886-917
• Seiko 6281-563
• Seiko 6398-496
• Seiko 6664-859
• Seiko 0720-728
• Seiko 7150-389