Seiko Cal. 0755 - 691

The Seiko 0755-691 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-0c9b6ba28985]

Also known as: Bellmatic, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1977

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