Seiko Cal. 4448 - 284

The Seiko 4448-284 represents an important milestone in Seiko's 1993 lineup. It features a Navy dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-d6b7ee3d290c]

Also known as: Helmet, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Navy

Jewels

36j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1993

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