Seiko Cal. 5636 - 351

The Seiko 5636-351 represents an important milestone in Seiko's 1970 lineup. Powered by the 5636 caliber with 19j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-d880a1814c4f]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1970

Related Models

• Seiko 6292-843
• Seiko 5699-689
• Seiko 3876-764
• Seiko 0736-936
• Seiko 6165-943
• Seiko 6371-867
• Seiko 4488-766
• Seiko 5256-892
• Seiko 4584-249
• Seiko 5622-357
• Seiko 4513-712
• Seiko 6342-371