Seiko Cal. 5646 - 837

The Seiko 5646-837 represents an important milestone in Seiko's 1971 lineup. Powered by the 5646 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-ed0e1ca28fa4]

Also known as: Shogun

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 6143-127
• Seiko 7017-800
• Seiko 6613-417
• Seiko 6386-658
• Seiko 6195-367
• Seiko 6116-725
• Seiko 5285-277
• Seiko 7110-581
• Seiko 5611-903
• Seiko 3882-675
• Seiko 6292-403
• Seiko 3875-845