Seiko Cal. 4477 - 400

This Automatic model from 1975 features a 40mm Stainless Steel case. It features a White dial protected by a Mineral crystal and offers 150m of water resistance. [seikata-wm-81d743fa8f74]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1975

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