Seiko Cal. 6328 - 657

The Seiko 6328-657 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-77ffbb265ee0]

Also known as: Monster, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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