Seiko Cal. 5654 - 738

The 5654-738 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5654 caliber with 25j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c7cdd6ef699b]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1974

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