Seiko Cal. 6390 - 375

This Hand-Winding model from 1966 features a 43mm Hardlex-Coated Steel case. It features a White dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b1aaf89e10b4]

Also known as: Turtle, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1966

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