Seiko Cal. 0711 - 450

This Spring Drive model from 1981 features a 42mm Two-Tone case. It features a Silver dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-1445809672fa]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1981

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