Seiko Cal. 5678 - 793

The Seiko 5678-793 represents an important milestone in Seiko's 1977 lineup. It features a Cream dial protected by a Mineral crystal and offers 140m of water resistance. [seikata-wm-952e5b0ef78a]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1977

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