Seiko Cal. 4478 - 612

The Seiko 4478-612 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-2521315ea3e0]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Green

Jewels

35j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1984

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