Seiko Cal. 5677 - 371

The Seiko 5677-371 represents an important milestone in Seiko's 1976 lineup. It features a Silver dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-5bc28ce71c47]

Also known as: Tuna, Pogue

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1976

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