Seiko Cal. 6154 - 390

This Hand-Winding model from 1981 features a 39mm Titanium case. It features a Silver dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-7a780febeb0f]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1981

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