Seiko Cal. 4458 - 238

The 4458-238 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4458 caliber with 27j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-a8351d7c8417]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1983

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