Seiko Cal. 5637 - 132

This Automatic model from 1972 features a 36mm Titanium case. Powered by the 5637 caliber with 32j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-257b25775f7d]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

32j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1972

Related Models

• Seiko 3870-124
• Seiko 3814-650
• Seiko 5257-238
• Seiko 5276-708
• Seiko 6222-511
• Seiko 6339-506
• Seiko 0789-545
• Seiko 5622-943
• Seiko 7178-201
• Seiko 4567-638
• Seiko 6656-775
• Seiko 5665-499