Seiko Cal. 0731 - 536

The 0731-536 is a sought-after Spring Drive piece from Seiko's golden era. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-69fa0499eaff]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Burgundy

Jewels

17j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1972

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