Seiko Cal. 6183 - 257

The 6183-257 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6183 caliber with 17j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-6d03df01ab63]

Also known as: Tuna, Navigator

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

43mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1980

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