Seiko Cal. 3840 - 517

The Seiko 3840-517 represents an important milestone in Seiko's 1972 lineup. It features a White dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-f2a6d003dd2a]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

White

Jewels

19j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1972

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