Seiko Cal. 5260 - 277

The 5260-277 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5260 caliber with 36j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-900bf7d0f749]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

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