Seiko Cal. 7045 - 648

The 7045-648 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-3c1c5aee2b9d]

Also known as: Helmet, Crown

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1977

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