Seiko Cal. 6615 - 904

This Solar model from 1979 features a 40mm Two-Tone case. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-52d7ba8fc111]

Also known as: Bullhead, Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1979

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