Seiko Cal. 6634 - 778

The Seiko 6634-778 represents an important milestone in Seiko's 1994 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-5c808e2363d4]

Also known as: Crown, Baby Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1994

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