Seiko Cal. 5659 - 227

The Seiko 5659-227 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4abb897c693c]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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