Seiko Cal. 5660 - 507

This Solar model from 1987 features a 37mm Stainless Steel case. Powered by the 5660 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-de063e1c12e0]

Also known as: Goldfeather, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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