Seiko Cal. 5663 - 770

The 5663-770 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-7395f226f46e]

Also known as: Tuna, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1976

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