Seiko Cal. 5637 - 981

The 5637-981 is a sought-after Automatic piece from Seiko's golden era. It features a Cream dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-6cc13dc3d395]

Also known as: Tuna, Pogue

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1967

Related Models

• Seiko 6310-946
• Seiko 5625-471
• Seiko 7096-916
• Seiko 6224-138
• Seiko 7086-748
• Seiko 5224-293
• Seiko 4541-806
• Seiko 6395-802
• Seiko 7020-252
• Seiko 7120-795
• Seiko 6610-117
• Seiko 6161-728