Seiko Cal. 6691 - 627

The Seiko 6691-627 represents an important milestone in Seiko's 1965 lineup. It features a White dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-453a1aaa064e]

Also known as: Silverwave, Crown

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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