Seiko Cal. 4537 - 787

The 4537-787 is a sought-after Quartz piece from Seiko's golden era. With its 22mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-85244324e84a]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1972

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