Seiko Cal. 6621 - 784

This Solar model from 1987 features a 41mm Titanium case. Powered by the 6621 caliber with 23j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-bf9e96ba3277]

Also known as: Silverwave, Crown

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1987

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