Seiko Cal. 4418 - 381

This Spring Drive model from 1989 features a 41mm Two-Tone case. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-82933373e933]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1989

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