Seiko Cal. 5637 - 981

This Solar model from 1992 features a 44mm Titanium case. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-2d65dc894f99]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

35j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1992

Related Models

• Seiko 7012-448
• Seiko 5698-411
• Seiko 6113-158
• Seiko 6316-463
• Seiko 6126-181
• Seiko 6687-841
• Seiko 5699-890
• Seiko 0740-190
• Seiko 5675-541
• Seiko 0766-392
• Seiko 4426-158
• Seiko 5254-421