Seiko Cal. 4420 - 751

The Seiko 4420-751 represents an important milestone in Seiko's 1986 lineup. Powered by the 4420 caliber with 28j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-daaa8474ee94]

Also known as: Turtle, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1986

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