Seiko Cal. 5691 - 555

Released in 1987, the Cal. 5691 with design code 555 was part of Seiko's domestic market collection. It features a White dial protected by a Mineral crystal and offers 120m of water resistance. [seikata-wm-fe692fc0c394]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1987

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