Seiko Cal. 5636 - 251

The 5636-251 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5636 caliber with 28j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-9ed036fbb5e6]

Also known as: Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1998

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