Seiko Cal. 5257 - 223

The 5257-223 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5257 caliber with 26j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-6446f8514a97]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

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