Seiko Cal. 6657 - 332

This Solar model from 1980 features a 37mm Hardlex-Coated Steel case. Powered by the 6657 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-2306563aa358]

Also known as: Bullhead, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1980

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