Seiko Cal. 6657 - 548

The Seiko 6657-548 represents an important milestone in Seiko's 1982 lineup. Powered by the 6657 caliber with 34j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-7b69c3e5c67b]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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