Seiko Cal. 6687 - 330

The Seiko 6687-330 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-f1c4c829d9f5]

Also known as: Shogun, Golden Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

100m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1975

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