Seiko Cal. 5637 - 172

This Automatic model from 1986 features a 45mm Stainless Steel case. It features a Black dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-50565db4e241]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Black

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1986

Related Models

• Seiko 6684-642
• Seiko 7045-843
• Seiko 3890-970
• Seiko 4418-834
• Seiko 7068-795
• Seiko 5269-923
• Seiko 5626-940
• Seiko 4541-140
• Seiko 6156-454
• Seiko 6291-738
• Seiko 4539-314
• Seiko 7141-908