Seiko Cal. 6136 - 563

The 6136-563 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6136 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-96c7c3fef3e6]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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