Seiko Cal. 7040 - 390

The 7040-390 is a sought-after Solar piece from Seiko's golden era. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-f79fb0fa11ce]

Also known as: Monster

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1968

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