Seiko Cal. 6623 - 665

The 6623-665 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 200m of water resistance. [seikata-wm-2ec880ed4165]

Also known as: Bullhead, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1998

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