Seiko Cal. 5664 - 257

The Seiko 5664-257 represents an important milestone in Seiko's 1980 lineup. It features a Silver dial protected by a Mineral crystal and offers 60m of water resistance. [seikata-wm-f5e79a2a56d3]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Silver

Jewels

36j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1980

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