Seiko Cal. 6178 - 611

This Solar model from 1978 features a 40mm Two-Tone case. Powered by the 6178 caliber with 33j jewels beating at 36,000 bph, it delivers a 43 hours power reserve. [seikata-wm-790104f14cb2]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

33j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1978

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