Seiko Cal. 6178 - 904

The 6178-904 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-b4c6ee2ec629]

Also known as: World Timer, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1974

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