Seiko Cal. 6178 - 633

The 6178-633 is a sought-after Solar piece from Seiko's golden era. Powered by the 6178 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-93015746db88]

Also known as: Sumo, Shogun

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

46mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1965

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