Seiko Cal. 4556 - 956

The 4556-956 is a sought-after Automatic piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-c9556fde38c4]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

11.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1965

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