Seiko Cal. 4427 - 255

The 4427-255 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4427 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-98f0407cf19a]

Also known as: Panda, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1997

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