Seiko Cal. 5261 - 203

The 5261-203 is a sought-after Solar piece from Seiko's golden era. Powered by the 5261 caliber with 21j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-5e4c2286113b]

Also known as: Tuna, Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1985

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