Seiko Cal. 4547 - 440

The 4547-440 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4547 caliber with 36j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-76fda30f6571]

Also known as: Shogun, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1998

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