Seiko Cal. 6688 - 773

The Seiko 6688-773 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-57610eb29fa7]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1968

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