Seiko Cal. 4492 - 576

The 4492-576 is a sought-after Spring Drive piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-f320c7dcad63]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1978

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