Seiko Cal. 6699 - 931

The Seiko 6699-931 represents an important milestone in Seiko's 1979 lineup. It features a White dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-5f154b790ba2]

Also known as: Bellmatic, World Timer

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1979

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