Seiko Cal. 5660 - 948

The 5660-948 is a sought-after Hand-Winding piece from Seiko's golden era. It features a White dial protected by a Mineral crystal and offers 50m of water resistance. [seikata-wm-2b70d7fdfb56]

Also known as: World Timer, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

13.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1978

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