Seiko Cal. 4554 - 319

This Hand-Winding model from 1971 features a 39mm Two-Tone case. Powered by the 4554 caliber with 21j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-8bffcd765ec7]

Also known as: Sumo, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1971

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