Seiko Cal. 4534 - 551

This Hand-Winding model from 1976 features a 37mm PVD Black case. Powered by the 4534 caliber with 26j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-232897e5746d]

Also known as: Navigator, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1976

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