Seiko Cal. 5634 - 360

The Seiko 5634-360 represents an important milestone in Seiko's 1965 lineup. Powered by the 5634 caliber with 22j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-5b2ac12f75de]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1965

Related Models

• Seiko 6211-309
• Seiko 6182-222
• Seiko 0715-649
• Seiko 5226-789
• Seiko 6661-559
• Seiko 7184-322
• Seiko 7034-642
• Seiko 0736-518
• Seiko 3873-938
• Seiko 7021-618
• Seiko 4472-141
• Seiko 7173-815