Seiko Cal. 0740 - 820

The Seiko 0740-820 represents an important milestone in Seiko's 1986 lineup. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-57877bed0342]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

8.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1986

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