Seiko Cal. 6178 - 750

The 6178-750 is a sought-after Solar piece from Seiko's golden era. Powered by the 6178 caliber with 33j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-da2bce4ddad3]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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