Seiko Cal. 6657 - 621

This Solar model from 1986 features a 40mm Two-Tone case. Powered by the 6657 caliber with 25j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-0ae780e46b2c]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1986

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