Seiko Cal. 5661 - 230

The Seiko 5661-230 represents an important milestone in Seiko's 1969 lineup. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-e8f21328f530]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1969

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