Seiko Cal. 4530 - 307

This Spring Drive model from 1974 features a 38mm Titanium case. With its 20mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-9b29a0002277]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1974

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