Seiko Cal. 4538 - 577

This Automatic model from 1996 features a 45mm Stainless Steel case. Powered by the 4538 caliber with 36j jewels beating at 36,000 bph, it delivers a 37 hours power reserve. [seikata-wm-fcae589ad640]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1996

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