Seiko Cal. 5656 - 377

The Seiko 5656-377 represents an important milestone in Seiko's 1981 lineup. It features a Green dial protected by a Mineral crystal and offers 160m of water resistance. [seikata-wm-f04670856db9]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1981

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