Seiko Cal. 6159 - 636

The 6159-636 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6159 caliber with 20j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-422da7002e02]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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