Seiko Cal. 4448 - 634

The Seiko 4448-634 represents an important milestone in Seiko's 1980 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-48c470ebcb83]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1980

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