Seiko Cal. 6688 - 760

The Seiko 6688-760 represents an important milestone in Seiko's 1971 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-1de99b6e444d]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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