Seiko Cal. 6630 - 845

The Seiko 6630-845 represents an important milestone in Seiko's 1975 lineup. It features a Green dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-a4ab8b03b278]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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