Seiko Cal. 0783 - 185

This Hand-Winding model from 1978 features a 34mm Hardlex-Coated Steel case. Powered by the 0783 caliber with 19j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-c3c35987eb21]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1978

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