Seiko Cal. 4457 - 439

The Seiko 4457-439 represents an important milestone in Seiko's 1990 lineup. It features a Navy dial protected by a Mineral crystal and offers 190m of water resistance. [seikata-wm-075a90a356ab]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1990

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