Seiko Cal. 5677 - 157

The 5677-157 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-0de19183789b]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Navy

Jewels

30j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1993

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