Seiko Cal. 4421 - 268

This Spring Drive model from 1975 features a 36mm Two-Tone case. With its 20mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-8c89fedebc12]

Also known as: Monster, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

White

Jewels

30j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1975

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