Seiko Cal. 4556 - 201

This Hand-Winding model from 1966 features a 37mm PVD Black case. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-861456e8164e]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1966

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