Seiko Cal. 6630 - 257

This Solar model from 1986 features a 46mm PVD Black case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-c89e6c558f5e]

Also known as: Helmet, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1986

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