Seiko Cal. 4539 - 528

The 4539-528 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-77c5a47700c1]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

White

Jewels

28j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1973

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