Seiko Cal. 7053 - 231

The 7053-231 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7053 caliber with 30j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-982d4abcdf3b]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

45mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

30j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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