Seiko Cal. 4530 - 378

The Seiko 4530-378 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-3ae78ae7eb83]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1982

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