Seiko Cal. 5648 - 453

The Seiko 5648-453 represents an important milestone in Seiko's 1978 lineup. It features a Navy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-d3cff8d8423f]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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