Seiko Cal. 5654 - 636

The 5654-636 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5654 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b9b2286dfb1b]

Also known as: Sportsmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

9.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

Related Models

• Seiko 6261-541
• Seiko 0728-957
• Seiko 6363-196
• Seiko 4447-658
• Seiko 0740-224
• Seiko 7118-250
• Seiko 3893-981
• Seiko 6667-993
• Seiko 0769-671
• Seiko 6626-118
• Seiko 5263-654
• Seiko 6163-670