Seiko Cal. 4536 - 321

The 4536-321 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-83f48587a886]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1986

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