Seiko Cal. 5677 - 855

The Seiko 5677-855 represents an important milestone in Seiko's 1974 lineup. Powered by the 5677 caliber with 34j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-d135864afc29]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Silver

Jewels

34j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1974

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