Seiko Cal. 6687 - 532

This Quartz model from 1977 features a 45mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-e500849139d0]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1977

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