Seiko Cal. 6377 - 556

The 6377-556 is a sought-after Solar piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-f71b143f8120]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1965

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