Seiko Cal. 5633 - 161

Released in 1966, the Cal. 5633 with design code 161 was part of Seiko's domestic market collection. Powered by the 5633 caliber with 18j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-ad99993fca0a]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

38mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1966

Related Models

• Seiko 7066-126
• Seiko 4596-214
• Seiko 3870-974
• Seiko 5689-850
• Seiko 7071-502
• Seiko 4513-824
• Seiko 6396-273
• Seiko 5258-250
• Seiko 7023-641
• Seiko 7143-309
• Seiko 6320-536
• Seiko 6193-443