Seiko Cal. 6623 - 751

The 6623-751 is a sought-after Solar piece from Seiko's golden era. Powered by the 6623 caliber with 32j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-2f21ef02039a]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Navy

Jewels

32j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1976

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