Seiko Cal. 4456 - 697

This Spring Drive model from 1973 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-4f405a9bc661]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1973

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