Seiko Cal. 4546 - 677

This Spring Drive model from 1975 features a 37mm Titanium case. With its 21mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-022c8c50406e]

Also known as: Panda, Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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