Seiko Cal. 4554 - 724

The Seiko 4554-724 represents an important milestone in Seiko's 1978 lineup. Powered by the 4554 caliber with 23j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-41b1077ae9db]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1978

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