Seiko Cal. 3840 - 417

The Seiko 3840-417 represents an important milestone in Seiko's 1973 lineup. It features a Green dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-876dbd8c2266]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1973

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