Seiko Cal. 6657 - 127

The Seiko 6657-127 represents an important milestone in Seiko's 1998 lineup. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-e11cb1a01460]

Also known as: Bellmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1998

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