Seiko Cal. 3818 - 657

The Seiko 3818-657 represents an important milestone in Seiko's 1966 lineup. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-9bb0a9e47c22]

Also known as: Monster, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1966

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