Seiko Cal. 6374 - 178

This Hand-Winding model from 1971 features a 35mm Hardlex-Coated Steel case. Powered by the 6374 caliber with 35j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-bd1e9118f5f0]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1971

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