Seiko Cal. 4520 - 172

This Spring Drive model from 1997 features a 40mm Titanium case. It features a Silver dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-0824ce5ff6b4]

Also known as: Shogun, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1997

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