Seiko Cal. 4448 - 457

The Seiko 4448-457 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-9299385b4bca]

Also known as: Monster, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1991

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