Seiko Cal. 6684 - 507

The Seiko 6684-507 represents an important milestone in Seiko's 1967 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-1fc6969f0a4a]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

41mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1967

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