Seiko Cal. 4438 - 769

This Hand-Winding model from 1987 features a 39mm Two-Tone case. It features a Silver dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-8b7c409223ab]

Also known as: Tuna, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1987

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