Seiko Cal. 5636 - 718

The 5636-718 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5636 caliber with 21j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-ac09b249762f]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1990

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