Seiko Cal. 6694 - 721

The Seiko 6694-721 represents an important milestone in Seiko's 1976 lineup. It features a Green dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-1d1808fe582b]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1976

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