Seiko Cal. 6677 - 156

The Seiko 6677-156 represents an important milestone in Seiko's 1977 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-61138a071267]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1977

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