Seiko Cal. 6657 - 652

The 6657-652 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6657 caliber with 34j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-deafe24689c5]

Also known as: Sumo, Pogue

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1994

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