Seiko Cal. 6637 - 535

The 6637-535 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-d7169814b209]

Also known as: Rally

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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