Seiko Cal. 3840 - 730

The Seiko 3840-730 represents an important milestone in Seiko's 1968 lineup. It features a Cream dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-3f274f54b945]

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

35mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1968

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