Seiko Cal. 6697 - 554

The Seiko 6697-554 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-7ae076627a7b]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1965

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