Seiko Cal. 3840 - 104

The Seiko 3840-104 represents an important milestone in Seiko's 1975 lineup. It features a White dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-ad8af3122ea6]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

40mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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