Seiko Cal. 4557 - 234

The 4557-234 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4557 caliber with 19j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-26c9b689e669]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1985

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