Seiko Cal. 6630 - 524

The 6630-524 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-12883c3d2584]

Also known as: Baby Tuna

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1978

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