Seiko Cal. 4440 - 174

The Seiko 4440-174 represents an important milestone in Seiko's 1970 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-825618d86585]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1970

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