Seiko Cal. 6687 - 455

This Solar model from 1965 features a 37mm PVD Black case. It features a White dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-09cd715cf63f]

Also known as: Helmet, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1965

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