Seiko Cal. 4554 - 556

This Spring Drive model from 1999 features a 43mm Two-Tone case. Powered by the 4554 caliber with 27j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-f8afe254623d]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

43mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1999

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