Seiko Cal. 5677 - 327

The Seiko 5677-327 represents an important milestone in Seiko's 1975 lineup. Powered by the 5677 caliber with 18j jewels beating at 36,000 bph, it delivers a 69 hours power reserve. [seikata-wm-ccb3eebc8c7d]

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1975

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