Seiko Cal. 4489 - 309

This Spring Drive model from 1975 features a 41mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-52ba942a85ad]

Also known as: Monster, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

13.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1975

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