Seiko Cal. 5263 - 298

The 5263-298 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5263 caliber with 21j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-18c578bf2186]

Also known as: Tuna, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1993

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