Seiko Cal. 4536 - 831

The 4536-831 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-e9868f5baf4c]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

18j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1974

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