Seiko Cal. 5637 - 191

The 5637-191 is a sought-after Solar piece from Seiko's golden era. Powered by the 5637 caliber with 19j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-f70bbe5ea9a1]

Also known as: Shogun, UFO

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1984

Related Models

• Seiko 0771-135
• Seiko 5658-725
• Seiko 3831-277
• Seiko 6332-395
• Seiko 7053-464
• Seiko 0756-284
• Seiko 6390-125
• Seiko 5639-252
• Seiko 7029-796
• Seiko 5266-622
• Seiko 5691-959
• Seiko 5222-698