Seiko Cal. 5661 - 357

This Hand-Winding model from 1979 features a 42mm Two-Tone case. It features a Champagne dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-91e06b82ece2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

42mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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