Seiko Cal. 0740 - 670

This Hand-Winding model from 1982 features a 41mm Two-Tone case. It features a Navy dial protected by a Sapphire crystal and offers 140m of water resistance. [seikata-wm-73c58752bf3b]

Also known as: Navigator, Arnie

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1982

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