Seiko Cal. 6683 - 436

This Quartz model from 1975 features a 45mm Two-Tone case. With its 21mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7392da259933]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1975

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