Seiko Cal. 6623 - 121

The 6623-121 is a sought-after Solar piece from Seiko's golden era. Powered by the 6623 caliber with 28j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-002818a2c6eb]

Also known as: Navigator, Flighty

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1986

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