Seiko Cal. 5646 - 635

The 5646-635 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-e239c9ea24b1]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1976

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