Seiko Cal. 5639 - 174

The 5639-174 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-9c309fa500d1]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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